## MCQ Questions for Class 6 Maths: Ch 4 Basic Geometrical Ideas 1. What is a set of points which extend infinitely in both directions called?
(a) A line
(b) A plane
(c) A line segment
(d) A point
► (a) A line

2. A __________ of a circle is a line segment joining any two points on the circle.
(a) chord
(b) diameter
(d) None of these
► (a) chord

3. Angle which is less than 360° and larger than 180° is classified as
(a) acute angle
(b) obtuse angle
(c) reflex angle
(d) right angle
► (c) reflex angle

4. What is a set of points extending infinitely in all directions on the same flat surface called?
(a) A line
(b) A plane
(c) Ray
(d) A point
► (b) A plane

5. Any line segment can be formed by joining
(a) two points
(b) three points
(c) four points
(d) more than three points
► (a) two points

6. Angle which is less than 90° is called
(a) reflex angle
(b) obtuse angle
(c) acute angle
(d) right angle
► (c) acute angle

7. Two distinct lines meeting at a points are called _____________.
(a) intersecting lines
(b) parallel lines
(c) collinear lines
(d) None of these
► (a) intersecting lines

8. Angle which is equal to 90° is classified as
(a) right angle
(b) obtuse angle
(c) acute angle
(d) reflex angle
► (a) right angle

9. Flat surface in which two points are joined by using straight line is classified as
(a) line
(b) plane
(c) ray
(d) intersecting line
► (b) plane

10. Out of following options, two angles that are together classified as complementary angles are
(a) 120° and 60°
(b) 50° and 30°
(c) 65° and 25°
(d) 70° and 30°
► (c) 65° and 25°

11. A flat surface which extends indefinitely in all directions is called ___________ .
(a) plane
(b) lines
(c) point
(d) line segment
► (a) plane

12. What is the number of end points of a line?
(a) Zero
(b) Two
(c) One
(d) Three
► (a) Zero

13. An angle is made up of two ________ starting from common end point.
(a) rays
(b) vertices
(c) lines
(d) points
► (a) rays

14. Three or more points lying on the same line are known as ___________ points.
(a) collinear
(b) intersecting
(c) non-collinear
(d) None of these
► (a) collinear

15. If two angles are said to be supplementary angles and one of angle is of 122° then other angle is of
(a) 35°
(b) 32°
(c) 60°
(d) 58°
► (d) 58°

16. If two lines intersects each other then the common point between them is known as point of _________.
(a) concurrence
(b) intersection
(c) vertex
(d) contact
► (b) intersection

17. Out of following, one angle which is obtuse is
(a) 11/21 of a right angle
(b) 8/20 of a complete rotation
(c) 11/21 of a complete rotation
(d) 8/20 of a right angle
► (b) 8/20 of a complete rotation

18. How many lines pass through two given points?
(a) one
(b) two
(c) three
(d) many
► (a) one

19. What are used to represent points?
(a) Numerals.
(b) Capital letters of alphabet.
(c) Lower case letters of alphabet.
(d) All of the above
► (b) Capital letters of alphabet.

20. Two lines meeting at a point are called ___________ .
(a) intersecting lines
(b) concurrent lines
(c) parallel line
(d) None of these
► (a) intersecting lines

21. How many lines pass through one given point?
(a) Three
(b) One
(c) Count less
(d) Two
► (c) Count less

22. Which instrument is used to compare two line segments?
(a) Compasses
(b) A divider
(c) Set squares
(d) A protractor
► (b) A divider
X